I know by the title of this post, a lot of you may disagree. So before I state my side of this topic, I'm going to support your side.
School is stressful, I know. I have a hard time with school every year and it sucks. What you may be thinking is right. Teachers don't understand how you have to balance extracurricular activities, a job if you have one, home work and more things you might have to deal with. I myself have to balance my job, the play that I'm in, homework, and chores I do around my house. Also it sucks trying to get sleep within all of this stuff. I get it. But the thing is, a majority of the teacher you will have are doing this for your benefit. Sure, some teachers or professors may just be there for the money as a last resort job, but a good portion of them actually care about you. So my point I'm going to make is that no matter how much you may hate the "useless" classes you're taking, they are going to make a difference in your future.
Many times a day I hear the words "where am I going to use this in the real world" from my classmates and peers. You are going to use it more then you may think. It's not necessarily the lesson you learn in geometry, it could be the way you pay attention to detail of what your teacher may say. Its not alway just about the story of The Odyssey, but the way that you interpret the language it is written in. Another thing that gets me confused, is why do people who have huge plans to be a doctor or a scientist, complain about not needing what they learn? To be a cardiovascular surgeon (a heart surgeon) you need about four or more years of a university. Not including all of the under graduate programs you might have to try a few years to get into, because they are pretty hard to be accepted into. After finishing the four or more years of college, you have to go through three to five years of specialized medical school to become a cardiovascular surgeon. And what classes are you going to need to pass your SAT to even be considered for a place at that school? Biology, math, chemistry, english, etc. Yes the stress is hard on you but you need to consider the possibilities of what could happen if you just blow off the work you have to do at school, because if you decide that you don't want to put up with the "stupid subjects" you have to go to during the day and drop out, I'll see you when you're flipping patties at McDonalds at the age of 30.
-something I want to add to the end of this is, that this is my opinion and I just wanted to voice it freely. You may not agree, and thats fine, but no arguments please and thank you.